MARCO STEEL AND ALUMINUM, INC.

CARBON

1018 Cold FinishedRounds 3⁄16" thru 4 ¾"
1018 Cold Finished Bar ¼" thru 1 7⁄8"
1018 Cold Finished Flat Bar Up to 3" X 6"
1018 Cold Finished Square 1" thru 4"
1018 Hot RolledRounds 3" thru 12 ½"
1045 Hot Rolled Rounds 3" thru 30"
1144 Cold Finished Stressproof®Rounds 2 5⁄8" thru 5"
1144 Per ASTM A 311 Class BRounds ¼" thru 2 ½"
1144 Per ASTM A 311 Class B Turned Ground & Polished Rounds 1 7⁄16" thru 2 ½"
8620 Cold FinishedRounds 11/16" thru 2 5⁄8"
8620 Hot RolledRounds 3" thru 14"